Surely a feature that is very very very badly needed.

Rob does multiple reads/writes to the config.wtf file during login to change the account, I am very sure.
Although I havn't tested it i have a macro that does:

/script SetCVar("cameraPitchB",80.0)
etc.
/console reloadui

Not sure if my computer will take 6 reloads at the same time lol ...

Another workaround is to set the config.wtf file as read-only. But then you will run into other problems I am sure.

The whole problem is that once you change the view with teh mouse well then ... bleh.

I can't find it now but there was a thread where one of the mods (fur?) uses some command to set camera twice for some reason I didn't understand, or maybe I read it wrong but someone else responded saying they are using it in their follow macro. Again I didnt understand why you use it twice.